CN109269823A - A kind of intelligence test platform of hydraulic braking system of wind-driven generator unit - Google Patents
A kind of intelligence test platform of hydraulic braking system of wind-driven generator unit Download PDFInfo
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- CN109269823A CN109269823A CN201811260407.2A CN201811260407A CN109269823A CN 109269823 A CN109269823 A CN 109269823A CN 201811260407 A CN201811260407 A CN 201811260407A CN 109269823 A CN109269823 A CN 109269823A
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- brake
- fluid system
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- brake fluid
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- 238000012360 testing method Methods 0.000 title claims abstract description 73
- 239000012530 fluid Substances 0.000 claims abstract description 69
- 238000005259 measurement Methods 0.000 claims abstract description 38
- 238000006073 displacement reaction Methods 0.000 claims abstract description 19
- 238000001514 detection method Methods 0.000 claims abstract description 8
- 238000007405 data analysis Methods 0.000 claims description 12
- 239000003921 oil Substances 0.000 claims description 10
- 238000004458 analytical method Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 6
- 239000002828 fuel tank Substances 0.000 claims description 6
- 238000012544 monitoring process Methods 0.000 claims description 6
- 239000010720 hydraulic oil Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 2
- 239000010729 system oil Substances 0.000 claims description 2
- 238000011160 research Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 4
- 238000012795 verification Methods 0.000 abstract description 4
- 238000013461 design Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 241001269238 Data Species 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
- G01M99/005—Testing of complete machines, e.g. washing-machines or mobile phones
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B19/00—Testing; Calibrating; Fault detection or monitoring; Simulation or modelling of fluid-pressure systems or apparatus not otherwise provided for
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/02—Servomotor systems with programme control derived from a store or timing device; Control devices therefor
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Wind Motors (AREA)
Abstract
The invention discloses a kind of intelligence test platforms of hydraulic braking system of wind-driven generator unit, including the PLC measurement and control unit, high speed shaft brake unit and yaw brake unit connecting with brake fluid system to be measured, high speed shaft brake unit includes first flow sensor, first pressure sensor, the first displacement sensor, high speed shaft brake and high speed shaft brake disc；Yaw brake unit includes second flow sensor, second pressure sensor, off-course brake and yaw brake disc；The PLC measurement and control unit controls each electrically-controlled valve in brake fluid system, acquires each measured sensor data in high speed shaft brake unit and yaw brake unit, detection of the attainment brake hydraulic pressure system to high speed shaft braking ability and yaw brake performance.The present invention is able to achieve brake fluid system to be measured to the performance detection of high speed shaft brake circuit and yaw brake circuit, enriches the research technique of the research of Wind turbines brake fluid system and test verification, entire test platform intelligence degree is high, easy to operate.
Description
Technical field
The present invention relates to Wind turbines brake fluid system the field of test technology, more particularly to a kind of wind power generating set
The intelligence test platform of brake fluid system.
Background technique
Existing wind power generating set can control the yaw brake of wind power generating set using brake fluid system when designing,
The performance of brake fluid system is directly related to the reliability service of wind power generating set.Current major main engine plants are to wind-driven generator
The brake fluid system test of group fully relies on the test report of brake fluid system manufacturer and its second level component supplier, host
Factory itself lacks effective monitoring means to brake fluid system performance test and incoming test, and which results in Wind turbines liquid
Occur checking and accepting this evitable problem many early periods in pressure braking system follow-up operation.
It can be seen that the test of above-mentioned existing hydraulic braking system of wind-driven generator unit relies primarily on manufacturer and second level member
The test report of part supplier, it is clear that there are still there is inconvenient and defect, and need to be further improved.How one kind is founded
The intelligence test platform of new hydraulic braking system of wind-driven generator unit, makes it enrich hydraulic braking system of wind-driven generator unit
The research technique of research and test verification, entire test platform intelligence degree is high, easy to operate, can be to the wind-powered electricity generation of different type of machines
Unit brake fluid system performance is tested, and becoming current industry pole needs improved target.
Summary of the invention
It is flat that the technical problem to be solved in the present invention is to provide a kind of intelligence tests of hydraulic braking system of wind-driven generator unit
Platform, realization that can be intelligentized, the easy to operate test hydraulic to wind power generating set, so that existing wind-force be overcome to send out
The deficiency of motor group brake fluid system test method.
In order to solve the above technical problems, the intelligence test that the present invention provides a kind of hydraulic braking system of wind-driven generator unit is flat
Platform, including the PLC measurement and control unit and high speed shaft brake unit for being connect with brake fluid system to be measured,
The high speed shaft brake unit includes first flow sensor, first pressure sensor, the first displacement sensor, height
Fast shaft brake and high speed shaft brake disc, the high speed shaft brake connect with the brake fluid system and under its effects,
Realize the braking to the high speed shaft brake disc, first displacement sensor is used to acquire the displacement of the high speed shaft brake
Data, the first flow sensor and first pressure sensor are respectively used to acquire the brake fluid system supply height
The hydraulic flow and pressure of fast shaft brake；
The PLC measurement and control unit for controlling each electrically-controlled valve in the brake fluid system, and acquires described in real time
The test data of one flow sensor, first pressure sensor and the first displacement sensor realizes the brake fluid system pair
The detection of high speed shaft braking ability.
It as an improvement of the present invention, further include for being connect with the brake fluid system and PLC measurement and control unit
Yaw brake unit,
The yaw brake unit includes that second flow sensor, second pressure sensor, off-course brake and yaw are stopped
Hull, the off-course brake connect with the brake fluid system and under its effects, realize to the yaw brake disc
Brake, the second flow sensor and second pressure sensor are respectively used to acquire the brake fluid system supply described partially
The hydraulic flow and pressure of boat brake, and data transmission will be acquired to the PLC measurement and control unit, by the PLC measurement and control unit
Realize detection of the brake fluid system to yaw brake performance.
It is further improved, further includes the hydraulic power unit being connect with the brake fluid system and PLC measurement and control unit, institute
Hydraulic power unit is stated under the control of the PLC measurement and control unit, provides added flow and pressure for the brake fluid system.
It is further improved, the hydraulic power unit includes fuel tank, hydraulic pump and electric control reversing valve, and the hydraulic pump is by institute
It states the hydraulic oil in fuel tank to be pumped into the brake fluid system oil circuit, the electric control reversing valve and the PLC measurement and control unit connect
It connects and is controlled by it, realize the oil circuit on-off that the hydraulic power unit is supplied to the brake fluid system.
It is further improved, the hydraulic power unit further includes third pressure sensor, and the third pressure sensor is used
Hydraulic pressure in the oil circuit that the monitoring hydraulic power unit is supplied to the brake fluid system.
It is further improved, further includes the oil circuit bypass containing overflow valve between the hydraulic pump and electric control reversing valve.
It is further improved, the PLC measurement and control unit uses high-precision NI acquisition control board, passes through analog input
Ai and digital quantity input the channel Di, acquire the first flow sensor, first pressure sensor, the first displacement sensing in real time
The test data of device, second flow sensor and second pressure sensor also passes through analog output AO and digital output DO
Channel controls each electrically-controlled valve in the brake fluid system.
It is further improved, the PLC measurement and control unit further includes the data analysis mould connecting with the NI acquisition control board
Block, the data analysis module is for analyzing the collected first flow sensor of the NI acquisition control board, first
The test data of pressure sensor, the first displacement sensor, second flow sensor and second pressure sensor, and generate analysis
Report.
It is further improved, the PLC measurement and control unit further includes the alarm module connecting with the data analysis module, described
Alarm module is used to issue alarm when data analysis module analysis obtains test data exception, and automatically cuts off described
The power supply of PLC measurement and control unit.
By adopting such a design, the present invention has at least the following advantages:
The hydraulic braking system of wind-driven generator unit intelligence test platform that the present invention innovates passes through setting and existing hydraulic system
The high speed shaft brake unit and yaw brake unit of dynamic system connection, and pass through the control of PLC measurement and control unit and acquisition data, energy
Realize that the brake fluid system to be measured to the performance detection of high speed shaft brake circuit and yaw brake circuit, enriches wind-power electricity generation
The research technique of the research of unit brake fluid system and test verification, entire Testing Platform is reasonable, intelligence degree is high, behaviour
Facilitate, be a kind of means of effective test verification brake fluid system performance parameter, and have existing host producer and
Supplier's advantage not available when testing.
The present invention also passes through setting hydraulic power unit, and additional flow and pressure are provided for brake fluid system to be measured,
To meet the needs of different type of machines Wind turbines brake fluid system is to flow, the scope of application of the test platform is expanded.
Detailed description of the invention
The above is merely an overview of the technical solutions of the present invention, in order to better understand the technical means of the present invention, below
In conjunction with attached drawing, the present invention is described in further detail with specific embodiment.
Fig. 1 is the structural schematic diagram of the intelligence test platform of hydraulic braking system of wind-driven generator unit of the present invention.
Fig. 2 is the operation principle schematic diagram of the intelligence test platform of hydraulic braking system of wind-driven generator unit of the present invention.
In figure: 1.PLC measurement and control unit；2. hydraulic power unit；3. Wind turbines brake fluid system to be measured；4. high speed shaft
Brake unit；5. yaw brake unit.
Specific embodiment
The present invention be directed to the test platforms of existing Wind turbines brake fluid system design, are applicable to current industry
The Wind turbines brake fluid system of interior various types, there are multiple interfaces to facilitate connection for test platform, the test platform
Specific structure is as follows.
Referring to shown in attached Fig. 1 and 2, the intelligence test platform of the present embodiment hydraulic braking system of wind-driven generator unit, including
PLC measurement and control unit 1, high speed shaft brake unit 4 and yaw brake unit 5 for being all connected with brake fluid system 3 to be measured.
The high speed shaft brake unit 4 is as one of executing agency, for simulating the reality of high-speed shaft of wind generating set brake circuit
Border movement comprising first flow sensor 42, first pressure sensor 41, the first displacement sensor 43, high speed shaft brake
45 and high speed shaft brake disc 44.The high speed shaft brake 45 connect with the brake fluid system 3 and under its effect, realizes to this
The braking of high speed shaft brake disc 44.First displacement sensor 43 is used to acquire the displacement data of the high speed shaft brake 3, this
One flow sensor 42 and first pressure sensor 41 are respectively used to acquire the brake fluid system 3 supply high speed shaft brake
45 hydraulic flow and pressure.Then the high speed shaft brake unit can be to 3 high speed axis circuit of Wind turbines brake fluid system
Pressure, the dynamic respond speed of flow and high speed shaft brake tested, the test of these sensors is to Hydraulic braking system
The parameter request especially high speed shaft brake dynamic respond speed in system high speed shaft circuit has in detail and clearly requires, and is existing
There are host producer and supplier not available when testing.
The yaw brake unit 5 is used as another executing agency, and the reality for simulating Wind turbines yaw brake circuit is dynamic
Make comprising second flow sensor 52, second pressure sensor 53, off-course brake 55 and yaw brake disc 54, the yaw
Brake 55 connect with the brake fluid system 3 and under its effect, realizes the brake to the yaw brake disc 54, the second
Quantity sensor 52 and second pressure sensor 53 are respectively used to acquire the liquid that the brake fluid system 3 supplies the off-course brake 55
Press flow and pressure.It is inclined when the yaw brake unit may be implemented to run yaw loop in Wind turbines brake fluid system
Boat full application of brake, yaw half are braked and the simulation for the movements such as yaw is untied the mooring rope, and carries out real-time testing to its operating pressure and flow, with
Judge whether the yaw performance parameter of brake fluid system meets design requirement, this is also existing host producer and supplier's test
When it is not available.
The PLC measurement and control unit 1, for controlling each electrically-controlled valve in the brake fluid system 3, and it is first-class to acquire this in real time
Quantity sensor 42, first pressure sensor 41, the first displacement sensor 43, second flow sensor 52 and second pressure sensor
53 test data realizes the detection of the brake fluid system 3 to high speed shaft braking ability and to yaw brake performance.
The PLC measurement and control unit 1 uses high-precision NI acquisition control board in the present embodiment, passes through analog input Ai
The channel Di is inputted with digital quantity, acquires the first flow sensor 42, first pressure sensor 41, the first displacement sensor in real time
43, the test data of second flow sensor 52 and second pressure sensor 53, it is also defeated by analog output AO and digital quantity
The channel DO out controls each electrically-controlled valve in the brake fluid system 3, to adjust needed for Wind turbines brake fluid system to be measured
Pressure, flow and the working condition of each element of control etc., with the real work of wind-driven generator simulation group brake fluid system
State.
In addition, the PLC control module using high-level software establishment friendly interface facilitate it is easy to operate, can in test interface
To be read out to various test datas, curve is shown and is stored.Wind turbines brake fluid system is directed in control interface
Practical operation situation is provided with main system pressure flow rate test, the test of high speed shaft brake circuit pressure flow, high speed shaft brake
The test models such as dynamic respond test and yaw brake circuit pressure flow rate test control boundary with comprehensive test macro performance
It is also integrated with automatic control in face and manually controls both of which convenient for testing crew selection.
The PLC measurement and control unit further includes data analysis module and alarm module.The data analysis module and NI acquisition are controlled
Making sheet card connection, for analyzing the NI acquisition control board collected the first flow sensor 42, first pressure sensor
41, the test data of the first displacement sensor 43, second flow sensor 52 and second pressure sensor 53, and to experimental test
Data analysis provides test report.The alarm module is connect with data analysis module, in the data analysis module point
Analysis issues alarm when obtaining test data exception, i.e., system can prompt experimental test unqualified, and intelligence degree is high.And it can be when survey
Pressure testing power or motor operating state automatically cut off the power supply of the PLC measurement and control unit when occurring abnormal, guarantee the safety of test.
In order to expand the scope of application of the test platform, which further includes surveying with the brake fluid system 3 and PLC
The hydraulic power unit 2 that unit 1 connects is controlled, the hydraulic power unit 2 is under the control of the PLC measurement and control unit 1, for the hydraulic system
Dynamic system 3 provides added flow and pressure, to meet the needs of different type of machines Wind turbines brake fluid system is to flow.
The hydraulic power unit 2 includes fuel tank 20, hydraulic pump 21, overflow valve 22 and electric control reversing valve 23 in the present embodiment,
Hydraulic oil in the fuel tank 20 is pumped into 3 oil circuit of brake fluid system by the hydraulic pump 21, the electric control reversing valve 23 and the PLC
The connection of measurement and control unit 1 simultaneously controls it by the PLC measurement and control unit 1 and obtains electric, realizes the hydraulic power unit 2 to the brake fluid system
The oil circuit on-off of 3 supplies.It and further include the oil circuit bypass containing overflow valve 22 between the hydraulic pump 21 and electric control reversing valve 23.
It is further improved, which further includes third pressure sensor 23, which uses
In monitoring the hydraulic pressure in the oil circuit that supplies to the brake fluid system 3 of the hydraulic power unit 2, and monitoring data are sent
To PLC measurement and control unit 1, analyzed conducive to the data of the PLC measurement and control unit.
The present invention provides a kind of intelligence degree height, facilitate easy-operating hydraulic braking system of wind-driven generator unit performance
Parameter test platform completes test and result judgement by the real-time data acquisition of sensor, is the hydraulic system of wind power generating set
The performance test and incoming test of dynamic system provide effective monitoring means.
The above described is only a preferred embodiment of the present invention, be not intended to limit the present invention in any form, this
Field technical staff makes a little simple modification, equivalent variations or modification using the technology contents of the disclosure above, all falls within this hair
In bright protection scope.
Claims (9)
1. a kind of intelligence test platform of hydraulic braking system of wind-driven generator unit, which is characterized in that including being used for and prepare liquid
The PLC measurement and control unit and high speed shaft brake unit of braking system connection are pressed,
The high speed shaft brake unit includes first flow sensor, first pressure sensor, the first displacement sensor, high speed shaft
Brake and high speed shaft brake disc, the high speed shaft brake connect with the brake fluid system and under its effects, realize
Braking to the high speed shaft brake disc, first displacement sensor are used to acquire the displacement number of the high speed shaft brake
According to the first flow sensor and first pressure sensor are respectively used to acquire the brake fluid system supply high speed
The hydraulic flow and pressure of shaft brake；
The PLC measurement and control unit for controlling each electrically-controlled valve in the brake fluid system, and acquires described first-class in real time
The test data of quantity sensor, first pressure sensor and the first displacement sensor realizes the brake fluid system to high speed
The detection of axis braking ability.
2. the intelligence test platform of hydraulic braking system of wind-driven generator unit according to claim 1, which is characterized in that also
Including the yaw brake unit for being connect with the brake fluid system and PLC measurement and control unit,
The yaw brake unit includes second flow sensor, second pressure sensor, off-course brake and yaw brake disc,
The off-course brake connect with the brake fluid system and under its effect, realizes the brake to the yaw brake disc,
The second flow sensor and second pressure sensor are respectively used to acquire the brake fluid system supply yaw system
The hydraulic flow and pressure of dynamic device, and data transmission will be acquired to the PLC measurement and control unit, it is realized by the PLC measurement and control unit
Detection of the brake fluid system to yaw brake performance.
3. the intelligence test platform of hydraulic braking system of wind-driven generator unit according to claim 2, which is characterized in that also
Including the hydraulic power unit connecting with the brake fluid system and PLC measurement and control unit, the hydraulic power unit is described
Under the control of PLC measurement and control unit, added flow and pressure are provided for the brake fluid system.
4. the intelligence test platform of hydraulic braking system of wind-driven generator unit according to claim 3, which is characterized in that institute
Stating hydraulic power unit includes fuel tank, hydraulic pump and electric control reversing valve, and the hydraulic oil in the fuel tank is pumped by the hydraulic pump
In the brake fluid system oil circuit, the electric control reversing valve connect and is controlled by it with the PLC measurement and control unit, described in realization
The oil circuit on-off that hydraulic power unit is supplied to the brake fluid system.
5. the intelligence test platform of hydraulic braking system of wind-driven generator unit according to claim 4, which is characterized in that institute
Stating hydraulic power unit further includes third pressure sensor, and the third pressure sensor is for monitoring the hydraulic power unit
The hydraulic pressure in oil circuit supplied to the brake fluid system.
6. the intelligence test platform of hydraulic braking system of wind-driven generator unit according to claim 4, which is characterized in that institute
Stating further includes the oil circuit bypass containing overflow valve between hydraulic pump and electric control reversing valve.
7. the intelligence test platform of hydraulic braking system of wind-driven generator unit according to any one of claims 1 to 6, special
Sign is that the PLC measurement and control unit uses high-precision NI acquisition control board, defeated by analog input Ai and digital quantity
Enter the channel Di, acquires the first flow sensor, first pressure sensor, the first displacement sensor, second flow in real time and pass
The test data of sensor and second pressure sensor, also by analog output AO and the channel digital output DO, described in control
Each electrically-controlled valve in brake fluid system.
8. the intelligence test platform of hydraulic braking system of wind-driven generator unit according to claim 7, which is characterized in that institute
Stating PLC measurement and control unit further includes the data analysis module connecting with the NI acquisition control board, and the data analysis module is used
It is passed in the collected first flow sensor of the analysis NI acquisition control board, first pressure sensor, the first displacement
The test data of sensor, second flow sensor and second pressure sensor, and generate analysis report.
9. the intelligence test platform of hydraulic braking system of wind-driven generator unit according to claim 8, which is characterized in that institute
Stating PLC measurement and control unit further includes the alarm module connecting with the data analysis module, and the alarm module is used in the number
Alarm is issued when obtaining test data exception according to analysis module analysis, and automatically cuts off the power supply of the PLC measurement and control unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811260407.2A CN109269823A (en) | 2018-10-26 | 2018-10-26 | A kind of intelligence test platform of hydraulic braking system of wind-driven generator unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811260407.2A CN109269823A (en) | 2018-10-26 | 2018-10-26 | A kind of intelligence test platform of hydraulic braking system of wind-driven generator unit |
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| Publication Number | Publication Date |
|---|---|
| CN109269823A true CN109269823A (en) | 2019-01-25 |
Family
ID=65193857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811260407.2A Pending CN109269823A (en) | 2018-10-26 | 2018-10-26 | A kind of intelligence test platform of hydraulic braking system of wind-driven generator unit |
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| Country | Link |
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| CN (1) | CN109269823A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109780007A (en) * | 2019-02-20 | 2019-05-21 | 西京学院 | One kind is based on embedded mechanical-hydraulic transmission power-generating control system and method |
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| CN203241219U (en) * | 2013-01-16 | 2013-10-16 | 青岛华瑞丰机械有限公司 | Wind-driven generator yaw system testing stand |
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| CN209027813U (en) * | 2018-10-26 | 2019-06-25 | 国电联合动力技术有限公司 | A kind of intelligence test platform of hydraulic braking system of wind-driven generator unit |
-
2018
- 2018-10-26 CN CN201811260407.2A patent/CN109269823A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203241219U (en) * | 2013-01-16 | 2013-10-16 | 青岛华瑞丰机械有限公司 | Wind-driven generator yaw system testing stand |
| KR20160129391A (en) * | 2015-04-30 | 2016-11-09 | 주식회사 동신이엔텍 | Servo hybrid actuator system for pitch or yaw bearing tester |
| CN206111736U (en) * | 2016-08-19 | 2017-04-19 | 中节能（内蒙古）风力发电有限公司 | Fan hydraulic system test platform |
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| CN109780007A (en) * | 2019-02-20 | 2019-05-21 | 西京学院 | One kind is based on embedded mechanical-hydraulic transmission power-generating control system and method |
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